Home / 26,500.86-39,726.36-8,958.42

Finding the Fourth Proportional to 26,500.86, 39,726.36 and 8,958.42

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Solution

The fourth proportional to 26,500.86, 39,726.36 and 8,958.42 is: 13,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.86 : 39,726.36 = 8,958.42 : x
  2. Step 2: Convert to fraction form
    26,500.86/39,726.36 = 8,958.42/x
  3. Step 3: Cross multiply
    26,500.86x = 39,726.36 × 8,958.42
  4. Step 4: Simplify right side
    26,500.86x = 355,885,417.95
  5. Step 5: Solve for x
    x = 355,885,417.95/26,500.86
  6. Step 6: Final answer
    x = 13,429.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.